import java.io.Serializable;


public abstract class TimeStamp implements Serializable, Comparable<TimeStamp>{

	/**
	 * 
	 */
	protected String local_name;
	
	private static final long serialVersionUID = 1L;

	public abstract void increase() ;

	public abstract void show();

	public abstract void update(TimeStamp timeStamp) ;
		
	public abstract String toString();

	public String getLocal_name() {
		return local_name;
	}

	public void setLocal_name(String local_name) {
		this.local_name = local_name;
	}

}
